【正文】
清潔飼養(yǎng)。其上置一2 mm2的打擊墊, 用改良的Allen打擊器,能量高度為9 g10 cm。20) g,60只。主要儀器: 倒置相差顯微鏡(OLYMPUSIX70,日本), CO2 孵育箱(HERA 美國), 熒光顯微鏡(OLYMPUSIBX51,日本)。為了探討B(tài)MSCs移植的有效治療方案,使BMSCs 移植成為臨床上治療SCI的有效方法, 本實(shí)驗(yàn)通過蛛網(wǎng)膜下腔置管多次移植BMSCs于脊髓損傷的 Wistar大鼠蛛網(wǎng)膜下腔上, 報(bào)告如下。 subarachnoid space 脊髓損傷(spinal cord injury, SCI)是一種嚴(yán)重的中樞神經(jīng)系統(tǒng)損傷, 對(duì)其治療一直是研究的難點(diǎn)。 bone marrow stromal cell。[結(jié)論]多次移植骨髓基質(zhì)干細(xì)胞更有利于脊髓損傷的恢復(fù)。隨時(shí)間的延長,移植在損傷部位的骨髓基質(zhì)干細(xì)胞數(shù)量及神經(jīng)元樣細(xì)胞均有減少,但移植3次的細(xì)胞數(shù)減少速度較其他兩組慢。使用BBB評(píng)分觀測(cè)后肢功能恢復(fù)。在損傷平面蛛網(wǎng)膜下腔中段放置一硅膠管,在7 d后,注入1106個(gè)骨髓基質(zhì)干細(xì)胞。[方法]骨髓基質(zhì)干細(xì)胞經(jīng)體外分離、培養(yǎng)并用Hoecst33342標(biāo)記。KKME專業(yè)醫(yī)學(xué)搜索引擎多次移植骨髓基質(zhì)干細(xì)胞有利于脊髓損傷修復(fù)作者:李輝映 文益民 陳克明 藍(lán)旭 汪大彬 孫振剛 胡凌云 作者單位:, 蘭州 730018; 。, 蘭州 730050; 基金項(xiàng)目:全軍醫(yī)學(xué)科學(xué)技術(shù)研究十一五計(jì)劃課題項(xiàng)目(編號(hào):06MA081) 【摘要】 [目的]研究多次經(jīng)蛛網(wǎng)膜下腔移植骨髓基質(zhì)干細(xì)胞對(duì)Wistar大鼠脊髓損傷的功能修復(fù)作用。按照Allen方法把60只在T10T12平面損傷的Wistar大鼠隨機(jī)分4組,A、B、C、D組(對(duì)照組)。在12周熒光顯微鏡、免疫組化檢測(cè)骨髓基質(zhì)干細(xì)胞在損傷段脊髓的存活、分布、分化情況并作計(jì)數(shù)觀察。[結(jié)果]移植后7~14 d骨髓基質(zhì)干細(xì)胞達(dá)到高峰,在7 d后表達(dá)巢蛋白及神經(jīng)絲蛋白陽性。移植3次組大鼠的BBB評(píng)分較移植2次組有明顯的提高,P<,有統(tǒng)計(jì)學(xué)意義。 【關(guān)鍵詞】 脊髓損傷 骨髓間充質(zhì)干細(xì)胞 移植 蛛網(wǎng)膜下腔 Repeated transplantation of bone marrow stromal cells into subarachnoid space to promote spinal cord injury repair LI Huiying,WEN Yimin,CHEN Keming,et al. The Second Clinic Hospital,Lanzhou University, Gansu 730018,China Abstract:[Objective]To investigate the effect of multiple subarachnoid infusion of bone marrow stromal cells(BMSCs) on spinal cord injury repair in adult Wistar rats.[Method]The BMSCs were cultured, purified and labeled with Hoecst33342 in vitro. After the plete spinal cord injury rat model at T10T11 level was successfully established, sixty injured rats were randomly divided into 4 groups: groups A, B, C, and D. The labeled BMSCs in a dose of 1106 / ml were injected into subarachnoid space of the rats via a catheters under the aubarachnoid space in group A,B and C. The cells were administered only once in group A 1week after injury. However, they were injected after injury 1 and 3 weeks in group B and 1, 3 and 5 weeks